SAT® Subject Test in Math 1 & 2

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Moderate

Range of Trigonometric Functions

SATSTM-UL4LLY

Find the range of the following function:

$$f(x)=-2\cos(3x+\pi)+4$$

A

$[-2, 4]$

B

$[-6, 2]$

C

$[-2, 6]$

D

$[2, 6]$

E

$[2, 4]$